The Vauxhall Astra Mk V Estate 1.6, producing 105 horsepower, was a mainstay of the British automaker’s lineup from 2004 to 2011. Positioned as an entry-to-mid-range offering within the Mk V Estate range, it catered to buyers seeking a practical and economical family vehicle. This variant occupied a space between the base models with smaller engines and the more performance-oriented trims featuring larger displacement powerplants. It was built on the GM Delta platform, shared with other Opel/Vauxhall and Chevrolet models, and represented a significant step forward in terms of interior space and refinement compared to its predecessor.
Technical Specifications
| Brand | Vauxhall |
| Model | Astra |
| Generation | Astra Mk V Estate |
| Type (Engine) | 1.6 (105 Hp) |
| Start of production | 2004 |
| End of production | 2011 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 8.7 l/100 km (27 US mpg, 32.5 UK mpg, 11.5 km/l) |
| Fuel consumption (extra urban) | 5.5 l/100 km (42.8 US mpg, 51.4 UK mpg, 18.2 km/l) |
| Fuel consumption (combined) | 6.7 l/100 km (35.1 US mpg, 42.2 UK mpg, 14.9 km/l) |
| CO2 emissions | 161 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 12.5 sec |
| Acceleration 0 – 62 mph | 12.5 sec |
| Acceleration 0 – 60 mph | 11.9 sec |
| Maximum speed | 180 km/h (111.85 mph) |
| Weight-to-power ratio | 11.6 kg/Hp, 86.4 Hp/tonne |
| Weight-to-torque ratio | 8.1 kg/Nm, 123.5 Nm/tonne |
| Power | 105 Hp @ 6000 rpm |
| Power per litre | 65.7 Hp/l |
| Torque | 150 Nm @ 3900 rpm (110.63 lb.-ft. @ 3900 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | Z16XEP, Z16XE1 |
| Engine displacement | 1598 cm3 (97.52 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 79 mm (3.11 in.) |
| Piston Stroke | 81.5 mm (3.21 in.) |
| Compression ratio | 10.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Engine oil capacity | 4 l (4.23 US qt | 3.52 UK qt) |
| Coolant | 6.1 l (6.45 US qt | 5.37 UK qt) |
| Kerb Weight | 1215 kg (2678.62 lbs.) |
| Max. weight | 1840 kg (4056.51 lbs.) |
| Max load | 625 kg (1377.89 lbs.) |
| Trunk (boot) space – minimum | 500 l (17.66 cu. ft.) |
| Fuel tank capacity | 52 l (13.74 US gal | 11.44 UK gal) |
| Length | 4515 mm (177.76 in.) |
| Width | 1753 mm (69.02 in.) |
| Width including mirrors | 2033 mm (80.04 in.) |
| Height | 1496 mm (58.9 in.) |
| Wheelbase | 2703 mm (106.42 in.) |
| Front track | 1488 mm (58.58 in.) |
| Rear (Back) track | 1488 mm (58.58 in.) |
| Front overhang | 871 mm (34.29 in.) |
| Rear overhang | 941 mm (37.05 in.) |
| Ride height (ground clearance) | 140 mm (5.51 in.) |
| Drag coefficient (Cd) | 0.32 |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 5 gears, manual transmission |
| Front brakes | Ventilated discs |
| Rear brakes | Drum |
| Tires size | 195/65 R15 |
| Wheel rims size | 15 |
Powertrain & Engine Architecture
The Astra Mk V Estate 1.6 utilized either the Z16XEP or Z16XE1 engine code, both 1.6-liter inline-four cylinder gasoline engines. These engines were part of Vauxhall/Opel’s ‘Ecotec’ family, known for their relatively lightweight construction and focus on fuel efficiency. The engine featured a multi-port fuel injection system, delivering fuel directly into the intake ports, and a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder. This configuration helped to optimize breathing and improve power output. The 105 horsepower and 150 Nm (110.63 lb-ft) of torque were modest, but sufficient for everyday driving. The engine was typically paired with a five-speed manual transmission, although a four-speed automatic transmission was also available, albeit less common. The automatic transmission, while offering convenience, did impact acceleration and fuel economy compared to the manual version.
Driving Characteristics
The 1.6-liter engine, when coupled with the five-speed manual gearbox, provided adequate performance for typical commuting and highway driving. Acceleration to 60 mph took around 11.9 seconds, and top speed was approximately 111.85 mph. The automatic transmission slowed these figures down noticeably. The engine felt somewhat strained when pushed hard, particularly when fully loaded. Gear ratios were geared towards fuel economy rather than outright performance. The steering was light and precise, making the car easy to maneuver in urban environments. The suspension provided a comfortable ride, absorbing bumps and imperfections in the road surface reasonably well.
Equipment & Trim Levels
The Astra Mk V Estate 1.6 typically came equipped with features such as central locking, electric front windows, a CD player, and ABS brakes. Higher trim levels, such as the ‘Life’ or ‘Design’ variants, added features like alloy wheels, air conditioning, and upgraded interior trim. Optional extras included a sunroof, parking sensors, and a more advanced audio system. Interior upholstery was generally cloth, with higher trims offering partial leather options. The dashboard layout was functional and straightforward, with easy-to-read gauges and controls.
Chassis & Braking
The Astra Mk V Estate featured a MacPherson strut front suspension and a torsion beam rear suspension. This setup provided a good balance between ride comfort and handling. The front brakes were ventilated discs, offering good stopping power, while the rear brakes were typically drum brakes on the 1.6-liter models, a cost-saving measure. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering. The 195/65 R15 tires provided adequate grip in most conditions.
Market Reception & Comparison
The Astra Mk V Estate 1.6 was generally well-received by critics as a practical and affordable family car. However, the 1.6-liter engine was often criticized for being underpowered, particularly when compared to the more potent 1.8-liter and 2.0-liter variants. The 1.9 CDTi diesel engine offered superior fuel economy and torque, making it a popular choice for those covering long distances. The 1.6-liter model offered a good balance between price and running costs, making it an attractive option for budget-conscious buyers. Fuel economy figures of around 35.1 US mpg combined were competitive for its class.
Legacy
The Z16XEP and Z16XE1 engines, while not known for being particularly exciting, proved to be relatively reliable. Common issues included occasional oil leaks and problems with the throttle body. However, with regular maintenance, these engines could provide many years of service. Today, the Astra Mk V Estate 1.6 represents an affordable and practical used car option. Its simple mechanicals and readily available parts make it relatively easy to maintain. While not a performance icon, it remains a popular choice for those seeking a dependable and economical estate car.
